关于go语言中http做服务器使用正则的实例

<pre name="code" class="plain">package main

import (
"net/http"
"regexp"
)

func main() {
http.HandleFunc("/", route)
http.ListenAndServe(":8080", nil)
}

var num = regexp.MustCompile(`\d`)
var str = regexp.MustCompile(`\w`)

func route(w http.ResponseWriter, r *http.Request) {
switch {
case num.MatchString(r.URL.Path):
digits(w, r)
case str.MatchString(r.URL.Path):
str(w, r)
default:
w.Write([]byte("位置匹配项"))
}
}

func digits(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("receive digits"))
}

func str(w http.ResponseWriter, r *http.Request) {
w.Write([]byte("receive string"))
}